12258222 has 8 divisors (see below), whose sum is σ = 24516456. Its totient is φ = 4086072.

The previous prime is 12258217. The next prime is 12258229. The reversal of 12258222 is 22285221.

It is a sphenic number, since it is the product of 3 distinct primes.

12258222 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 12258192 and 12258201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12258229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1021513 + ... + 1021524.

It is an arithmetic number, because the mean of its divisors is an integer number (3064557).

Almost surely, 2^12258222 is an apocalyptic number.

12258222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12258222 is a wasteful number, since it uses less digits than its factorization.

12258222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2043042.

The product of its digits is 1280, while the sum is 24.

The square root of 12258222 is about 3501.1743744064. The cubic root of 12258222 is about 230.5733772281.

The spelling of 12258222 in words is "twelve million, two hundred fifty-eight thousand, two hundred twenty-two".